How do I configure SIP as a service from Paytia?

How do I configure SIP as a service from Paytia?


Configuring SIP as a Service from Paytia

To set up a SIP trunk connection between your telephone system and Paytia's SIP as a Service product, you need to configure several essential settings. This guide provides a step-by-step breakdown of the configuration requirements.

Configuration Details

1. IP Addresses

  • Your IP Address: Provide the IP address that your telephone system uses for outbound calls to Paytia. This is necessary for Paytia to recognize your system as a trusted source.
  • Paytia’s SIP Endpoint: Configure your system to connect to the Paytia SIP IP endpoint: 52.51.166.39.
    • This elastic IP address supports Paytia’s load-balanced services.

Action: If you are an existing Paytia user, complete the IP Registration Form to register your telephone system.

2. Firewall Ports

To ensure smooth communication, configure your firewall to allow the following ports:

  • SIP Signaling:
    • UDP port: 5060 (for SIP)
    • TCP port: 5061 (for TLS/SIPS)
  • Media Ports: Specify a range of ports for media transmission, such as UDP 10,000 – 20,000. Confirm this range with Paytia to ensure compatibility.

3. Codecs

Codecs determine how audio is compressed and transmitted during calls. Paytia supports the following codecs, in order of preference:

  • G.711 A-law
  • G.711 U-law
  • G.729

Note: Ensure the codec on your telephone system matches Paytia's settings for successful communication.

4. SIP URL Header Format

Paytia expects calls to be sent in the following SIP header URL format:

sip:1-999-123-4567@voip-provider.example.net

or

sip:1-999-123-4567@Your_Internet_Public_IP_Address

Ensure your PABX is configured to follow this format when sending calls to Paytia.

5. Presentation Telephone Number (Trunk CLI)

  • The number your system presents as the Caller Line Identification (CLI) for outbound calls must match the telephone number registered in your Paytia account.
  • Paytia uses this number as an additional verification method to accept calls from your system.

Summary of Required Configurations

Setting Details
IP Address Provide your telephone system’s public IP and connect to 52.51.166.39.
Firewall Ports Open UDP 5060, TCP 5061 for SIP; configure media port range (e.g., 10,000–20,000).
Codecs Use G.711 A-law, G.711 U-law, or G.729 in the order of preference.
SIP URL Format Format calls as sip:<number>@<provider or public IP>.
Presentation Number (CLI) Ensure the outbound number matches the one registered with Paytia.

Need Assistance?

For additional support, contact Paytia Support, or complete the IP Registration Form to finalize your setup. Following this configuration ensures a seamless connection to Paytia's SIP services.


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